She is a concubine from a high family with a beautiful mind and a sharp edge.
He is a powerful, sweet-talking and sword-minded emperor and his uncle.
In a sudden change, she fell from the clouds, changed her appearance and became a concubine. In order to make the enemy pay the blood debt with blood, he will do whatever it takes, no matter the cost.
When the yandere and scheming girl meets the tolerant and tolerant man, it perfectly explains what it means to be willing to fight and to suffer.
Borrow his knife to kill someone? It's okay, just go ahead. But there is a condition: you are not allowed to go anywhere in this world except to my side.